rozwiąz równania:
a) 4(x-3)-2(3x-9)=0
b) 7(x-4)=+2x-8=0
c) 3(2x-1)-4(4x-2)=0
dam naj pilssss
A.
4x-12-6x+18=0
-2x=-6
x=3
______________
B.
7x-28+2x-8=0
9x=36
x=4
C.
6x-3-16x+8=0
-10x=5
x=-1/2
Dzięki 70go za czujnośc;)
a)4x-12-6x+18=0
-2x=-6 |: (-2)
b)7x-28+2x-8=0
9x=36 |:9
c)6x-3-16x+8=0
-10x=5 |: (-10)
x=-
?
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A.
4x-12-6x+18=0
-2x=-6
x=3
______________
B.
7x-28+2x-8=0
9x=36
x=4
______________
C.
6x-3-16x+8=0
-10x=5
x=-1/2
______________
Dzięki 70go za czujnośc;)
a)4x-12-6x+18=0
-2x=-6 |: (-2)
x=3
b)7x-28+2x-8=0
9x=36 |:9
x=4
c)6x-3-16x+8=0
-10x=5 |: (-10)
x=-
?